How To Install Skylight Through Attic

Then lay sheathing around the hole to prevent water leakages before inserting the skylight.

How to install skylight through attic. If you re not familiar with basic carpentry practices or you are installing a large skylight that will require the removal of more than one roof rafter consult a professional builder. Go into the attic. Next drive 4 deck screws through the roof from the inside to hold the skylight in place. Perform a water test.

Depending on the circumstances such as roof pitch interior light shaft depth and shape and weather installations can take between half a day and three days. Finish the interior installation process last and check all seals before tackling any paint and plaster touch ups. Install the flashing from the roof of the home and be sure not to attempt this step of the project alone. To install a skylight start by cutting a hole through the roof and ceiling from the outside that s large enough to hold the skylight.

Drill a hole through the roof at about the center of the skylight. Wrap the top part around the skylight s frame as shown and press the other part against the roof. Use the hole as a reference only because the skylight location should be adjusted to match up with the rafters. A chase is a framed tunnel that channels light from the skylight through your attic space to the ceiling below.

Cover the side flanges then the top in the same way. Cover the bottom flange with a strip of membrane that extends 6 inches past the skylight s sides. Install the skylight according to the model specifications. A skylight installation happens in two phases.

Typically it s finished with drywall and painted.